Home / 8,224.28-11,347.48-5,570.72

Finding the Fourth Proportional to 8,224.28, 11,347.48 and 5,570.72

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Solution

The fourth proportional to 8,224.28, 11,347.48 and 5,570.72 is: 7,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.28 : 11,347.48 = 5,570.72 : x
  2. Step 2: Convert to fraction form
    8,224.28/11,347.48 = 5,570.72/x
  3. Step 3: Cross multiply
    8,224.28x = 11,347.48 × 5,570.72
  4. Step 4: Simplify right side
    8,224.28x = 63,213,633.79
  5. Step 5: Solve for x
    x = 63,213,633.79/8,224.28
  6. Step 6: Final answer
    x = 7,686.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.